3 manmade materials
steel, plastic, fiber
5 Natural materials
gold, rubber, iron, cotton, wood
Why do people create alloys?
to make stronger materials and to avoid corrosion / rust
Rocks contains much of ________
mineral
3 types of ore ________
gold, copper, iron ores
3 examples of alloys
steel, bronze, brass
iron and carbon mix can create ________
steel
copper and tin mix can create ________
bronze
copper and zinc can create _________
brass
Ingenious is take from a Latin word "Ignis" that means _________
fire
Rocks that have layers are __________ rocks.
Metamorphic
Rocks that are made from mixed components are called ________
Sedimentary
Metals are made from ________ taken from rocks
ores
2 properties of materials
strength, flexibility
4 properties of materials
lightness, magnetic, elasticity, conductivity to heat / electricity
